Review Olympics Day 03

What two things are required to turn decaying plant material into coal?

• Heat and Moisture

• Pressure and Moisture

• Heat and Pressure

• Heat and Gravity

What happens to the carbon bonds in coal as it ages?

• Just gets older with compression

• The bonds get weaker with compression

• The bonds get tighter with compression

• The bonds explode and cause rampant destruction

Which is the biggest pollution contributor from coal burning?

• Carbon Dioxide

• Carbon Monoxide

• Nitrous oxide

• Sludge

Today, most of the coal is used to:

• power steamships and steam trains
• heat homes and businesses
• produce electricity
• make iron and steel

Which BEST describes how coal forms?

• dead plant material completely decomposes in a desert environment
• tiny sea animals and plants die and are buried by sediment 
• dead plant material temporarily decays in a swamp environment
• dead animals partially decay in a desert environment

Tags

NGSS.MS-ESS3-1

Which of these is true about surface coal mining?

• the "room and pillar" method is used often to surface mine
• only a small percentage of coal is mined this way
• overburden must be removed before mining and replaced after 
• longwall mining has become a more efficient technique used

Coal can form in as little as 100 years.

• True

• False

Coal can only be found in China and the U.S.

• True

• False

Tags

NGSS.MS-ESS3-1

Which of these is NOT a fossil fuel? (can be more than one right answer)

• Wind

• Solar

• Oil

• Coal

Which of these mining techniques is more dangerous?

• Surface mining

• Deep mining or underground mining